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Finding the Fourth Proportional to 373.99, 560.93 and 100.11

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Solution

The fourth proportional to 373.99, 560.93 and 100.11 is: 150.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    373.99 : 560.93 = 100.11 : x
  2. Step 2: Convert to fraction form
    373.99/560.93 = 100.11/x
  3. Step 3: Cross multiply
    373.99x = 560.93 × 100.11
  4. Step 4: Simplify right side
    373.99x = 56,154.20
  5. Step 5: Solve for x
    x = 56,154.20/373.99
  6. Step 6: Final answer
    x = 150.15

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Double scale
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1.5x scale

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.