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Finding the Fourth Proportional to 590.04, 883.64 and 329.40

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Solution

The fourth proportional to 590.04, 883.64 and 329.40 is: 493.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    590.04 : 883.64 = 329.40 : x
  2. Step 2: Convert to fraction form
    590.04/883.64 = 329.40/x
  3. Step 3: Cross multiply
    590.04x = 883.64 × 329.40
  4. Step 4: Simplify right side
    590.04x = 291,071.84
  5. Step 5: Solve for x
    x = 291,071.84/590.04
  6. Step 6: Final answer
    x = 493.31

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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.