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Finding the Fourth Proportional to 539.36, 804.74 and 527.48

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Solution

The fourth proportional to 539.36, 804.74 and 527.48 is: 787.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    539.36 : 804.74 = 527.48 : x
  2. Step 2: Convert to fraction form
    539.36/804.74 = 527.48/x
  3. Step 3: Cross multiply
    539.36x = 804.74 × 527.48
  4. Step 4: Simplify right side
    539.36x = 424,484.26
  5. Step 5: Solve for x
    x = 424,484.26/539.36
  6. Step 6: Final answer
    x = 787.01

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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.