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Finding the Fourth Proportional to 437.36, 652.18 and 376.88

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Solution

The fourth proportional to 437.36, 652.18 and 376.88 is: 561.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    437.36 : 652.18 = 376.88 : x
  2. Step 2: Convert to fraction form
    437.36/652.18 = 376.88/x
  3. Step 3: Cross multiply
    437.36x = 652.18 × 376.88
  4. Step 4: Simplify right side
    437.36x = 245,793.60
  5. Step 5: Solve for x
    x = 245,793.60/437.36
  6. Step 6: Final answer
    x = 561.99

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.