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Finding the Fourth Proportional to 846.01, 1,165.12 and 807.13

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Solution

The fourth proportional to 846.01, 1,165.12 and 807.13 is: 1,111.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    846.01 : 1,165.12 = 807.13 : x
  2. Step 2: Convert to fraction form
    846.01/1,165.12 = 807.13/x
  3. Step 3: Cross multiply
    846.01x = 1,165.12 × 807.13
  4. Step 4: Simplify right side
    846.01x = 940,403.31
  5. Step 5: Solve for x
    x = 940,403.31/846.01
  6. Step 6: Final answer
    x = 1,111.57

Related Problems

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.