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Finding the Fourth Proportional to 867.95, 1,301.93 and 435.01

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Solution

The fourth proportional to 867.95, 1,301.93 and 435.01 is: 652.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    867.95 : 1,301.93 = 435.01 : x
  2. Step 2: Convert to fraction form
    867.95/1,301.93 = 435.01/x
  3. Step 3: Cross multiply
    867.95x = 1,301.93 × 435.01
  4. Step 4: Simplify right side
    867.95x = 566,343.88
  5. Step 5: Solve for x
    x = 566,343.88/867.95
  6. Step 6: Final answer
    x = 652.51

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.