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Finding the Fourth Proportional to 670.77, 923.18 and 473.94

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Solution

The fourth proportional to 670.77, 923.18 and 473.94 is: 652.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    670.77 : 923.18 = 473.94 : x
  2. Step 2: Convert to fraction form
    670.77/923.18 = 473.94/x
  3. Step 3: Cross multiply
    670.77x = 923.18 × 473.94
  4. Step 4: Simplify right side
    670.77x = 437,529.56
  5. Step 5: Solve for x
    x = 437,529.56/670.77
  6. Step 6: Final answer
    x = 652.28

Related Problems

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Double scale
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1.5x scale

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.