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Finding the Fourth Proportional to 497.55, 746.43 and 150.91

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Solution

The fourth proportional to 497.55, 746.43 and 150.91 is: 226.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    497.55 : 746.43 = 150.91 : x
  2. Step 2: Convert to fraction form
    497.55/746.43 = 150.91/x
  3. Step 3: Cross multiply
    497.55x = 746.43 × 150.91
  4. Step 4: Simplify right side
    497.55x = 112,643.75
  5. Step 5: Solve for x
    x = 112,643.75/497.55
  6. Step 6: Final answer
    x = 226.40

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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.