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Finding the Fourth Proportional to 350.81, 530.04 and 347.46

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Solution

The fourth proportional to 350.81, 530.04 and 347.46 is: 524.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.81 : 530.04 = 347.46 : x
  2. Step 2: Convert to fraction form
    350.81/530.04 = 347.46/x
  3. Step 3: Cross multiply
    350.81x = 530.04 × 347.46
  4. Step 4: Simplify right side
    350.81x = 184,165.96
  5. Step 5: Solve for x
    x = 184,165.96/350.81
  6. Step 6: Final answer
    x = 524.98

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.