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Finding the Fourth Proportional to 654.84, 980.04 and 597.16

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Solution

The fourth proportional to 654.84, 980.04 and 597.16 is: 893.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    654.84 : 980.04 = 597.16 : x
  2. Step 2: Convert to fraction form
    654.84/980.04 = 597.16/x
  3. Step 3: Cross multiply
    654.84x = 980.04 × 597.16
  4. Step 4: Simplify right side
    654.84x = 585,240.69
  5. Step 5: Solve for x
    x = 585,240.69/654.84
  6. Step 6: Final answer
    x = 893.72

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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.