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Finding the Fourth Proportional to 564.49, 847.14 and 369.49

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Solution

The fourth proportional to 564.49, 847.14 and 369.49 is: 554.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    564.49 : 847.14 = 369.49 : x
  2. Step 2: Convert to fraction form
    564.49/847.14 = 369.49/x
  3. Step 3: Cross multiply
    564.49x = 847.14 × 369.49
  4. Step 4: Simplify right side
    564.49x = 313,009.76
  5. Step 5: Solve for x
    x = 313,009.76/564.49
  6. Step 6: Final answer
    x = 554.50

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1.5x scale

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.