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Finding the Fourth Proportional to 1,502.13, 2,253.55 and 476.13

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Solution

The fourth proportional to 1,502.13, 2,253.55 and 476.13 is: 714.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,502.13 : 2,253.55 = 476.13 : x
  2. Step 2: Convert to fraction form
    1,502.13/2,253.55 = 476.13/x
  3. Step 3: Cross multiply
    1,502.13x = 2,253.55 × 476.13
  4. Step 4: Simplify right side
    1,502.13x = 1,072,982.76
  5. Step 5: Solve for x
    x = 1,072,982.76/1,502.13
  6. Step 6: Final answer
    x = 714.31

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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.