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Finding the Fourth Proportional to 436.60, 600.64 and 424.45

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Solution

The fourth proportional to 436.60, 600.64 and 424.45 is: 583.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    436.60 : 600.64 = 424.45 : x
  2. Step 2: Convert to fraction form
    436.60/600.64 = 424.45/x
  3. Step 3: Cross multiply
    436.60x = 600.64 × 424.45
  4. Step 4: Simplify right side
    436.60x = 254,941.65
  5. Step 5: Solve for x
    x = 254,941.65/436.60
  6. Step 6: Final answer
    x = 583.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.