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Finding the Fourth Proportional to 953.03, 1,315.28 and 560.05

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Solution

The fourth proportional to 953.03, 1,315.28 and 560.05 is: 772.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    953.03 : 1,315.28 = 560.05 : x
  2. Step 2: Convert to fraction form
    953.03/1,315.28 = 560.05/x
  3. Step 3: Cross multiply
    953.03x = 1,315.28 × 560.05
  4. Step 4: Simplify right side
    953.03x = 736,622.56
  5. Step 5: Solve for x
    x = 736,622.56/953.03
  6. Step 6: Final answer
    x = 772.93

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.