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Finding the Fourth Proportional to 377.53, 565.78 and 366.45

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Solution

The fourth proportional to 377.53, 565.78 and 366.45 is: 549.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    377.53 : 565.78 = 366.45 : x
  2. Step 2: Convert to fraction form
    377.53/565.78 = 366.45/x
  3. Step 3: Cross multiply
    377.53x = 565.78 × 366.45
  4. Step 4: Simplify right side
    377.53x = 207,330.08
  5. Step 5: Solve for x
    x = 207,330.08/377.53
  6. Step 6: Final answer
    x = 549.18

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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.