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Finding the Fourth Proportional to 907.44, 1,252.49 and 593.09

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Solution

The fourth proportional to 907.44, 1,252.49 and 593.09 is: 818.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    907.44 : 1,252.49 = 593.09 : x
  2. Step 2: Convert to fraction form
    907.44/1,252.49 = 593.09/x
  3. Step 3: Cross multiply
    907.44x = 1,252.49 × 593.09
  4. Step 4: Simplify right side
    907.44x = 742,830.07
  5. Step 5: Solve for x
    x = 742,830.07/907.44
  6. Step 6: Final answer
    x = 818.60

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Double scale
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1.5x scale

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.