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Finding the Fourth Proportional to 501.90, 750.16 and 371.15

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Solution

The fourth proportional to 501.90, 750.16 and 371.15 is: 554.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    501.90 : 750.16 = 371.15 : x
  2. Step 2: Convert to fraction form
    501.90/750.16 = 371.15/x
  3. Step 3: Cross multiply
    501.90x = 750.16 × 371.15
  4. Step 4: Simplify right side
    501.90x = 278,421.41
  5. Step 5: Solve for x
    x = 278,421.41/501.90
  6. Step 6: Final answer
    x = 554.74

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.