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Finding the Fourth Proportional to 384.50, 572.99 and 373.36

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Solution

The fourth proportional to 384.50, 572.99 and 373.36 is: 556.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    384.50 : 572.99 = 373.36 : x
  2. Step 2: Convert to fraction form
    384.50/572.99 = 373.36/x
  3. Step 3: Cross multiply
    384.50x = 572.99 × 373.36
  4. Step 4: Simplify right side
    384.50x = 213,931.42
  5. Step 5: Solve for x
    x = 213,931.42/384.50
  6. Step 6: Final answer
    x = 556.39

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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.