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Finding the Fourth Proportional to 377.01, 565.36 and 157.49

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Solution

The fourth proportional to 377.01, 565.36 and 157.49 is: 236.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    377.01 : 565.36 = 157.49 : x
  2. Step 2: Convert to fraction form
    377.01/565.36 = 157.49/x
  3. Step 3: Cross multiply
    377.01x = 565.36 × 157.49
  4. Step 4: Simplify right side
    377.01x = 89,037.45
  5. Step 5: Solve for x
    x = 89,037.45/377.01
  6. Step 6: Final answer
    x = 236.17

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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.