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Finding the Fourth Proportional to 150.61, 225.95 and 58.08

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Solution

The fourth proportional to 150.61, 225.95 and 58.08 is: 87.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    150.61 : 225.95 = 58.08 : x
  2. Step 2: Convert to fraction form
    150.61/225.95 = 58.08/x
  3. Step 3: Cross multiply
    150.61x = 225.95 × 58.08
  4. Step 4: Simplify right side
    150.61x = 13,122.74
  5. Step 5: Solve for x
    x = 13,122.74/150.61
  6. Step 6: Final answer
    x = 87.13

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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.