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Finding the Fourth Proportional to 660.93, 908.26 and 536.32

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Solution

The fourth proportional to 660.93, 908.26 and 536.32 is: 737.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    660.93 : 908.26 = 536.32 : x
  2. Step 2: Convert to fraction form
    660.93/908.26 = 536.32/x
  3. Step 3: Cross multiply
    660.93x = 908.26 × 536.32
  4. Step 4: Simplify right side
    660.93x = 487,118.00
  5. Step 5: Solve for x
    x = 487,118.00/660.93
  6. Step 6: Final answer
    x = 737.02

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.