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Finding the Fourth Proportional to 501.03, 753.03 and 414.91

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Solution

The fourth proportional to 501.03, 753.03 and 414.91 is: 623.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    501.03 : 753.03 = 414.91 : x
  2. Step 2: Convert to fraction form
    501.03/753.03 = 414.91/x
  3. Step 3: Cross multiply
    501.03x = 753.03 × 414.91
  4. Step 4: Simplify right side
    501.03x = 312,442.74
  5. Step 5: Solve for x
    x = 312,442.74/501.03
  6. Step 6: Final answer
    x = 623.60

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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.