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Finding the Fourth Proportional to 448.99, 673.50 and 346.93

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Solution

The fourth proportional to 448.99, 673.50 and 346.93 is: 520.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    448.99 : 673.50 = 346.93 : x
  2. Step 2: Convert to fraction form
    448.99/673.50 = 346.93/x
  3. Step 3: Cross multiply
    448.99x = 673.50 × 346.93
  4. Step 4: Simplify right side
    448.99x = 233,657.36
  5. Step 5: Solve for x
    x = 233,657.36/448.99
  6. Step 6: Final answer
    x = 520.41

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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.