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Finding the Fourth Proportional to 372.48, 510.29 and 358.64

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Solution

The fourth proportional to 372.48, 510.29 and 358.64 is: 491.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    372.48 : 510.29 = 358.64 : x
  2. Step 2: Convert to fraction form
    372.48/510.29 = 358.64/x
  3. Step 3: Cross multiply
    372.48x = 510.29 × 358.64
  4. Step 4: Simplify right side
    372.48x = 183,006.06
  5. Step 5: Solve for x
    x = 183,006.06/372.48
  6. Step 6: Final answer
    x = 491.32

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.