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Finding the Fourth Proportional to 656.49, 907.05 and 650.01

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Solution

The fourth proportional to 656.49, 907.05 and 650.01 is: 898.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    656.49 : 907.05 = 650.01 : x
  2. Step 2: Convert to fraction form
    656.49/907.05 = 650.01/x
  3. Step 3: Cross multiply
    656.49x = 907.05 × 650.01
  4. Step 4: Simplify right side
    656.49x = 589,591.57
  5. Step 5: Solve for x
    x = 589,591.57/656.49
  6. Step 6: Final answer
    x = 898.10

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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.