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Finding the Fourth Proportional to 459.48, 633.02 and 380.35

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Solution

The fourth proportional to 459.48, 633.02 and 380.35 is: 524.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    459.48 : 633.02 = 380.35 : x
  2. Step 2: Convert to fraction form
    459.48/633.02 = 380.35/x
  3. Step 3: Cross multiply
    459.48x = 633.02 × 380.35
  4. Step 4: Simplify right side
    459.48x = 240,769.16
  5. Step 5: Solve for x
    x = 240,769.16/459.48
  6. Step 6: Final answer
    x = 524.00

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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.