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Finding the Fourth Proportional to 556.00, 767.58 and 335

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Solution

The fourth proportional to 556.00, 767.58 and 335 is: 462.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    556.00 : 767.58 = 335 : x
  2. Step 2: Convert to fraction form
    556.00/767.58 = 335/x
  3. Step 3: Cross multiply
    556.00x = 767.58 × 335
  4. Step 4: Simplify right side
    556.00x = 257,139.30
  5. Step 5: Solve for x
    x = 257,139.30/556.00
  6. Step 6: Final answer
    x = 462.48

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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.