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Finding the Fourth Proportional to 584.04, 804.60 and 484.08

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Solution

The fourth proportional to 584.04, 804.60 and 484.08 is: 666.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    584.04 : 804.60 = 484.08 : x
  2. Step 2: Convert to fraction form
    584.04/804.60 = 484.08/x
  3. Step 3: Cross multiply
    584.04x = 804.60 × 484.08
  4. Step 4: Simplify right side
    584.04x = 389,490.77
  5. Step 5: Solve for x
    x = 389,490.77/584.04
  6. Step 6: Final answer
    x = 666.89

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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.