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Finding the Fourth Proportional to 846.57, 1,168.29 and 473.60

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Solution

The fourth proportional to 846.57, 1,168.29 and 473.60 is: 653.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    846.57 : 1,168.29 = 473.60 : x
  2. Step 2: Convert to fraction form
    846.57/1,168.29 = 473.60/x
  3. Step 3: Cross multiply
    846.57x = 1,168.29 × 473.60
  4. Step 4: Simplify right side
    846.57x = 553,305.06
  5. Step 5: Solve for x
    x = 553,305.06/846.57
  6. Step 6: Final answer
    x = 653.58

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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.