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Finding the Fourth Proportional to 648.99, 973.20 and 597.75

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Solution

The fourth proportional to 648.99, 973.20 and 597.75 is: 896.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    648.99 : 973.20 = 597.75 : x
  2. Step 2: Convert to fraction form
    648.99/973.20 = 597.75/x
  3. Step 3: Cross multiply
    648.99x = 973.20 × 597.75
  4. Step 4: Simplify right side
    648.99x = 581,730.30
  5. Step 5: Solve for x
    x = 581,730.30/648.99
  6. Step 6: Final answer
    x = 896.36

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Double scale
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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.