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Finding the Fourth Proportional to 606.76, 837.68 and 417.98

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Solution

The fourth proportional to 606.76, 837.68 and 417.98 is: 577.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    606.76 : 837.68 = 417.98 : x
  2. Step 2: Convert to fraction form
    606.76/837.68 = 417.98/x
  3. Step 3: Cross multiply
    606.76x = 837.68 × 417.98
  4. Step 4: Simplify right side
    606.76x = 350,133.49
  5. Step 5: Solve for x
    x = 350,133.49/606.76
  6. Step 6: Final answer
    x = 577.05

Related Problems

Find fourth proportional to 303.38, 418.84 and 208.99
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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.