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Finding the Fourth Proportional to 907.50, 1,360.70 and 598.44

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Solution

The fourth proportional to 907.50, 1,360.70 and 598.44 is: 897.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    907.50 : 1,360.70 = 598.44 : x
  2. Step 2: Convert to fraction form
    907.50/1,360.70 = 598.44/x
  3. Step 3: Cross multiply
    907.50x = 1,360.70 × 598.44
  4. Step 4: Simplify right side
    907.50x = 814,294.01
  5. Step 5: Solve for x
    x = 814,294.01/907.50
  6. Step 6: Final answer
    x = 897.29

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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.