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Finding the Fourth Proportional to 377.04, 565.38 and 256.02

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Solution

The fourth proportional to 377.04, 565.38 and 256.02 is: 383.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    377.04 : 565.38 = 256.02 : x
  2. Step 2: Convert to fraction form
    377.04/565.38 = 256.02/x
  3. Step 3: Cross multiply
    377.04x = 565.38 × 256.02
  4. Step 4: Simplify right side
    377.04x = 144,748.59
  5. Step 5: Solve for x
    x = 144,748.59/377.04
  6. Step 6: Final answer
    x = 383.91

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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.